CN113594749B - Connector - Google Patents

Abstract

The invention discloses a connector, wherein a seat mounting plate is arranged in a shell a, a head mounting plate is arranged in a shell b, a contact element in the head mounting plate is inserted with a contact element in the seat mounting plate, the shell a and the shell b are locked by a locking assembly, a shielding element is arranged on the left side wall or/and the right side wall of the head mounting plate, a reed is arranged on one side of the seat mounting plate corresponding to the head mounting plate, the reed is in elastic contact with the corresponding shielding element, and the head mounting plate and the seat mounting plate are grounded through the shielding element and the reed. The beneficial effects of the invention are as follows: the locking of the shell a and the shell b adopts two locking modes, double locking guarantee is provided for the connector, even if one of the locking mechanisms fails, the normal use of the connector is not affected, the connection of the multi-core connector is provided in a limited space, and a plurality of groups of shielding wires of the multi-core cables can be connected.

Description

Connector

Technical Field

The invention relates to a connector for rail transit, in particular to a connector.

Background

The connector for rail transit is in a motion state, and in the motion of locomotives, motor cars, subways and the like, vibration and impact are generated, so that the connector is required to be connected stably and reliably in the motion environment, the locking principle of a locking mechanism in a single locking mode is consistent, and once the locking mode fails, the connector can be disconnected or even falls off. In recent years, rail transit has also occurred in which a train is stopped due to failure of a locking mechanism.

With the updating of train communication equipment, the connector multi-core integration is required, and a plurality of shielded cables with multi-core wires are processed at the same time. The development trend of the connector is that the traditional connector is replaced by a novel connector meeting the practical application.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a connector.

The aim of the invention is achieved by the following technical scheme: the connector comprises a shell a and a shell b, wherein a seat mounting plate is mounted in the shell a, a head mounting plate is mounted in the shell b, a contact piece in the head mounting plate is inserted with a contact piece in the seat mounting plate, the shell a and the shell b are locked through a locking assembly, a shielding piece is mounted on the left side wall or/and the right side wall of the head mounting plate, a reed is mounted on one side, corresponding to the head mounting plate, of the seat mounting plate, the reed is in elastic contact with the corresponding shielding piece, and the head mounting plate and the seat mounting plate are grounded through the shielding piece and the reed.

Optionally, a mounting part b is arranged on the seat mounting plate, a fixing part b is arranged on the mounting part b, a mounting table b is arranged on one side, close to the mounting part b, of the fixing part b, the mounting table b is arranged on the mounting part b, a cavity is formed in the fixing part b, a back plate is arranged on the side wall, close to one side of the mounting part b, of the cavity, the back plate protrudes out of the cavity, and a hooking groove is formed in the top of the back plate.

Optionally, the reed includes connecting portion and contact portion, connecting portion and contact portion are connected, the bar hole has been seted up on the contact portion, be provided with the house reed on the lateral wall that is close to connecting portion on the bar hole, the seat mounting panel slope is kept away from to the house reed sets up, and the top of house reed is provided with the portion of bending, the portion of bending is bent to one side of keeping away from the seat mounting panel, the top of contact portion is provided with colludes the portion, collude the portion and collude the inslot, the reed passes the cavity, and the connecting portion passes through the retaining member and installs on the mounting b of cavity below, the portion of bending contacts with the shielding member.

Optionally, an inclined surface is arranged on the side wall of the cavity far away from the mounting table b, a convex hull is arranged on one side of the connecting part far away from the mounting table b, a positioning hole matched with the convex hull is arranged on the side wall of the cavity, a groove is formed in the side wall, close to the reed, of the top of the backboard, and the bending part is located on one side of the groove.

Optionally, a mounting portion a is provided on the head mounting plate, a fixing member a is mounted on the mounting portion a, a mounting groove is formed in the fixing member a, and the shielding member is mounted in the mounting groove through a locking member.

Optionally, the shielding piece is all installed to the left side wall and the right side wall of first mounting panel, and two shielding pieces pass through the shielding frame and connect, install a plurality of checkpost on the shielding frame, have the gap of threading between checkpost and the shielding frame.

Optionally, locking component includes screw rod locking device, screw rod locking device includes screw rod and injection moulding's cutting ferrule, the step hole has been seted up at the link top of casing b, the counter bore has been seted up to casing a's link, install threaded sleeve a in the aperture of counter bore, the screw rod is including the screw thread section that connects gradually, changeover portion and location section, casing a and casing b pass through screw rod locking back, screw thread section and threaded sleeve a lock, the step hole is worn out to the location section, the ring channel has been seted up to the one end that the changeover portion is connected with the location section, terminal surface between ring channel and the location section forms spacing step, be provided with flat face a on the location section, the centre bore has been seted up at the top of cutting ferrule, waist shape through-hole has been seted up to waist shape through-hole's waist, the location section is from waist shape through-hole insert in the cutting ferrule after, rotatory cutting ferrule makes spacing step support in the bottom of centre bore.

Optionally, the mounting groove has been seted up to the bottom of cutting ferrule, install the elastic ring in the mounting groove, after the cutting ferrule is installed, the elastic ring extrudees between mounting groove and step hole, the bottom of cutting ferrule still is provided with the dogtooth, the dogtooth includes lug and arc convex part, the bottom of lug is the plane, be provided with the circular arc lamella on the step face of step hole, the circular arc lamella includes circular arc portion, fan-shaped portion and stopping portion, the top of stopping portion is a plane, the top of fan-shaped portion also is a plane, and the level that the plane of stopping portion is located is higher than the level that fan-shaped portion is located, the one end and the stopping portion of circular arc portion are connected, and the top of circular arc portion flushes with the top of stopping portion, the bottom of circular arc portion flushes with the bottom of stopping portion, after the cutting ferrule is installed, the arc convex part cooperates with the circular arc portion, the bottom of lug is laminated with the top of fan-shaped portion.

Optionally, the locking assembly further includes a connecting screw locking device, the connecting end of the casing a is of a rectangular structure, the connecting screw locking device is installed on one diagonal line of the casing a, the connecting screw locking device is arranged on the other diagonal line of the casing a, the connecting screw locking device comprises a threaded sleeve b, a connecting screw and a retaining ring, a stepped through hole a is formed in one diagonal line of the casing a, a large hole of the stepped through hole a is far away from the casing b, the threaded sleeve b is installed in the large hole of the stepped through hole a, the stepped through hole b is formed in the casing b, the large hole of the stepped through hole b is close to the casing a, the casing a and the casing b are connected through the connecting screw, the connecting screw penetrates from the stepped through hole b and is locked with the threaded sleeve b, the retaining ring which enables the connecting screw not to drop is sleeved on the connecting screw, and the retaining ring is located in the large hole of the stepped through hole b.

Optionally, the retaining circle includes the circle body, is provided with a plurality of retaining pieces to the slope of circle body bottom on the inside wall of circle body, and has the gap between the adjacent retaining piece, and the inside wall of a plurality of retaining pieces encloses into the via hole, and the gap extends to the via hole, the bottom of circle body is provided with the shirt rim, and the bottom of retaining piece does not outstanding shirt rim, and connecting screw is including the head that connects gradually, transition pole and threaded rod, and the diameter of threaded rod is greater than the diameter of transition pole, and the via hole diameter on the retaining is less than the diameter of threaded rod, and the via hole diameter on the retaining is greater than or equal to the diameter of changeover portion.

The invention has the following advantages: the connector provided by the invention adopts two locking modes for locking the shell a and the shell b, provides double locking guarantee for the connector, can not influence the normal use of the connector even if one locking mechanism fails, provides connection of the multi-core connector in a limited space, can be connected with a plurality of groups of shielding wires of the multi-core cable, and has the characteristics of miniaturization, integration and simultaneous processing of a plurality of groups of shielding wires.

Drawings

FIG. 1 is a schematic view of the structure of the present invention

FIG. 2 is a schematic illustration of the connection of the head mounting plate and the seat mounting plate

FIG. 3 is a schematic view of the installation of the fixture a;

FIG. 4 is a schematic view of the installation of the fixture b;

FIG. 5 is a schematic structural view of the head mounting plate;

FIG. 6 is a schematic structural view of a seat mounting plate;

fig. 7 is a schematic structural view of the fixing member a;

fig. 8 is a schematic structural view of the fixing member b;

FIG. 9 is a schematic cross-sectional view of mount b;

Figure 10 is a schematic diagram of the structure of the reed;

FIG. 11 is a schematic diagram showing the assembly of the reed and the fixing member b;

FIG. 12 is a second schematic view of the attachment of the reed to the anchor b;

FIG. 13 is a schematic view of a locking member

Fig. 14 is a schematic view of a structure of a shell b with arc flaps

FIG. 15 is a schematic view of the installation of a screw

Fig. 16 is a schematic view of a ferrule

FIG. 17 is a schematic view of a circular arc valve

FIG. 18 is a schematic view of a screw structure

FIG. 19 is a schematic view showing the structure of the backing ring

FIG. 20 is a schematic diagram of a second structure of the backing ring

FIG. 21 is a schematic view of the installation of a connecting screw

FIG. 22 is a schematic view of a structure of a connecting screw

Fig. 23 is a schematic structural view of the housing b;

Fig. 24 is a schematic structural view of the housing a

Fig. 25 is a schematic structural view of a rectangular connecting frame

FIG. 26 is a schematic view of the structure of the case body

In the drawing, 10-head mounting plate, 11-shield, 12-mount a, 13-lock, 14-mount a, 15-shield, 16-clip, 20-seat mounting plate, 21-mount b, 22-reed, 23-mount b, 121-mount groove, 122-mount a, 131-lock screw, 132-washer, 133-boss, 211-mount b, 212-back plate, 213-cavity, 214-groove, 215-hooking groove, 216-inclined surface, 217-positioning hole, 218-screw hole, 221-connecting portion, 222-contact portion, 223-hooking portion, 224-bar-shaped hole, 225-cut reed, 226-convex hull, 227-bending portion, 71-housing a, 72-housing b, 41-thread bushing a, 42-ferrule, 43-elastic ring, 44-screw, 45-countersunk hole, 46-stepped hole, 47-circular arc flap, 422-mounting groove, 423-kidney-shaped through hole, 424-flat surface a, 425-tooth, 426-arc convex part, 427-bump, 441-thread section, 442-transition section, 443-annular groove, 444-positioning section, 445-flat surface b, 446-limit step, 471-arc section, 472-fan section, 473-stop section, 60-stop ring, 61-ring body, 62-stop tab, 63-through hole, 64-skirt, 65-slit, 73-connecting screw, 74-thread bushing b, 75-stepped through hole a, 76-stepped through holes b, 77-washers, 731-heads, 732-transition bars, 733-threaded bars; 711-shell body, 712-rectangular connection frame, 713-connection plate, 714-ground plane.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention.

In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without collision.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, or are directions or positional relationships conventionally understood by those skilled in the art, are merely for convenience of describing the present invention and for simplifying the description, and are not to indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1, a connector, as shown in fig. 1 and 2, includes a housing a and a housing b, a seat mounting plate is mounted in the housing a, a head mounting plate is mounted in the housing b, a contact element in the head mounting plate is inserted into a contact element in the seat mounting plate, and the housing a and the housing b are locked by a locking assembly, in this embodiment, the head mounting plate 10 is of a plastic rectangular structure, and is provided with a plurality of openings for mounting the contact elements, and a plurality of contact elements can be assembled, and the seat mounting plate is also of a rectangular structure and is also provided with a plurality of contact elements.

In this embodiment, as shown in fig. 3 and 5, the head mounting plate 10 is provided with a mounting portion a14, preferably, the mounting portion a14 is in a rectangular structure, the mounting portion a14 is located at a middle position of the head mounting plate 10, a hole is formed in the mounting portion a14, as shown in fig. 23, a rib is formed on a side wall of an inner cavity of the housing b72, a threaded hole is formed in the rib, a hole size on the mounting portion a14 is matched with a size of the threaded hole in the housing b72, a fixing member a12 is mounted on the mounting portion a14, preferably, as shown in fig. 7, a mounting table a122 is disposed on a side, close to the mounting portion a14, of the fixing member a12, the mounting table a122 is also provided with a hole, the mounting table a122 is mounted on the mounting portion a14 through a screw, and the screw passes through the hole and is in threaded connection with the threaded hole in the housing b72, and the screw, the mounting table a122 and the housing b72 are conductive, so that the housing b72 and the fixing member a12 is conducted through the screw, and the shielding effect of the connector is further ensured.

In this embodiment, as shown in fig. 4 and 6, the seat mounting plate 20 has a rectangular symmetrical structure, a mounting portion b23 is provided in the middle of the seat mounting plate 20, a hole for mounting a fixing member b21 is provided on the mounting portion b23, a fixing member b21 is mounted on the mounting portion b23, a reed 22 is mounted on the fixing member b21, in this embodiment, a threaded hole is also provided in an inner cavity of the housing a71, as shown in fig. 8 and 9, a mounting table b211 is provided on a side of the fixing member b21 adjacent to the mounting portion b23, a hole is provided on the mounting table b211, the mounting table b211 is mounted on the mounting portion b23 by a screw, and the screw is locked with the threaded hole on the housing a71, thereby realizing conduction between the housing a71 and the fixing member b21, and further ensuring the shielding effect of the connector.

In this embodiment, as shown in fig. 10, the reed 22 includes a connection portion 221 and a contact portion 222, the connection portion 221 and the contact portion 222 are connected, preferably, the connection portion 22 is a U-shaped card, the connection portion 221 is mounted on the fixing member b21, the contact portion 222 is elastically contacted with the shielding member 11, so that the fixing member a12 and the fixing member b21 are communicated through the reed 22, and in use, the fixing member a12 is communicated with the housing b72, and the fixing member b21 is communicated with the housing a71, thereby ensuring shielding performance of the connector.

In this embodiment, as shown in fig. 10, a strip-shaped hole 224 is formed on the contact portion 222, a slit reed 225 is disposed on a side wall of the strip-shaped hole 224 near the connection portion 221, and the slit reed 225 is disposed obliquely away from the seat mounting plate 20, so that the slit reed 225 has a certain elasticity, during the mounting process, the slit reed 225 is compressed, so that the slit reed 225 has an elastic restoring force, therefore, the slit reed 225 always contacts with the shielding member 11 under the action of the elastic restoring force, further, a bending portion 227 is disposed on the top of the slit reed 225, the bending portion 227 is bent to a side far away from the seat mounting plate 20, and the bending portion 227 contacts with the shielding member 11, the bending portion 227 makes the slit reed 225 contact with the shielding member 11 in a line-surface contact, and the bending portion 227 has an arc shape, and after the reed 22 is mounted, the bending portion 227 can always contact with the shielding member 11, in this embodiment, the shielding member 11 is sheet-shaped, and is made of a conductive material, the mounting groove 121 is formed on the fixing member a12, and the shielding member 11 is mounted in the mounting groove 121 through the locking member 13.

In this embodiment, as shown in fig. 8 and 9, a cavity 213 is formed on the fixing member b21, a back plate 212 is disposed on a side wall of the cavity 213 near to the mounting portion b23, the back plate 212 protrudes out of the cavity 213, a hook slot 215 is formed at the top of the back plate 212, as shown in fig. 11 and 12, a hook 223 is hooked in the hook slot 215, the reed 22 passes through the cavity 213, and a connecting portion 221 is connected with the fixing member b21 below the cavity 213, in this embodiment, an inclined surface 216 is disposed on a side wall of the cavity 213 far away from the mounting portion b211, and the cavity 213 is in a U-shaped structure, the connecting portion 221 can penetrate into and out of the cavity 213, and a guiding function is provided in the inclined surface 216, so that the reed 22 is conveniently mounted, a convex hull 226 is disposed on a side of the connecting portion 221 far away from the mounting portion b211, and a positioning hole 217 matched with the convex hull 226 is formed in a side wall of the cavity 213, after the reed 22 is mounted, the top of the reed 22 is positioned by the hook 223 and the hook slot 215, and the middle portion 217 and the positioning hole 217 is positioned by the convex hull 226 and the positioning hole 217, and the bottom of the reed 22 is firmly connected with the reed 22, thereby, and the fixing member is firmly mounted.

In this embodiment, the top of the back plate 212 is close to the side wall of the reed 22 and provided with the groove 214, the bending portion 227 is located at one side of the groove 214, the groove 214 can increase the elastic deformation space of the reed 22, when the reed 22 is compressed, the bending portion 227 of the reed 22 can enter the groove 214, so that the reed 22 is convenient to install, and meanwhile, the reed 22 has a retraction space after being subjected to external force, in the use process, the reed 22 is not easy to deform due to external force, so that the service life of the reed 22 is ensured.

In this embodiment, as shown in fig. 13, the locking member 13 includes a locking screw 131 and a washer 132, the bottom surface of the washer 132 is provided with a plurality of protrusions 133, the washer 132 is made by stamping, after the washer 132 is made, the washer 132 is square, the bottom surface of the washer 132 is provided with four protrusions 133, further, after the washer 132 is stamped, the washer 132 is provided with a concave surface concave inwards, when in use, a grounding wire is wound on the locking screw 131, the concave surface can accommodate the grounding wire, when the locking member 13 is locked, the grounding wire is pressed between the washer 132 and the fixing member a12, and the protrusions 133 press the grounding wire, thereby further guaranteeing the grounding performance of the connector, further, the connecting part 221 and the fixing member b21 are locked by the locking member 13, that is, a screw hole 218 in threaded fit with the locking screw 131 is formed on the fixing member b 21.

In this embodiment, the shielding members 11 are mounted on the left side wall and the right side wall of the head mounting plate 10, the two shielding members 11 are connected through the shielding frame 15, a plurality of clips 16 are mounted on the shielding frame 15, and threading gaps are formed between the clips 16 and the shielding frame 15, so that the shielding structure has a plurality of grounding points, and the shielding effect of the connector can be realized as long as one grounding point is grounded.

In this embodiment, the locking assembly includes a screw locking device, the screw locking device includes a screw 44 and an injection molding ferrule 42, a stepped hole 46 is provided at the top of the connection end of the housing b72, a countersunk hole 45 is provided at the connection end of the housing a71, in this embodiment, the connection ends of the housing b72 and the housing a71 each have a connection lug, the stepped hole 46 and the countersunk hole 45 are provided on corresponding connection lugs, and the stepped hole 46 and the countersunk hole 45 are at least two and are distributed diagonally, and the ferrule 42 is injection molded, and can be deformed to a certain extent after being extruded.

In this embodiment, as shown in fig. 14 and 15, a threaded sleeve a41 is installed in the small hole of the countersunk hole 45, the threaded sleeve a41 is in a revolving structure, a threaded hole is formed along the axial line of the threaded sleeve a41, and the threaded sleeve a41 and the small hole of the countersunk hole 45 are in tight fit connection, so that the threaded sleeve a41 is difficult to drop in the use process, after the threads of the threaded sleeve a41 are damaged, the shell b72 is not required to be replaced, only the threaded sleeve a41 is required to be replaced, and the manufacturing cost of the threaded sleeve a41 is far less than that of the shell b72, thereby reducing the operation cost.

In this embodiment, as shown in fig. 18, the screw 44 includes a threaded section 441, a transition section 442 and a positioning section 444 which are sequentially connected, after the housing a71 and the housing b72 are locked by the screw 44, the threaded section 441 is locked with the threaded sleeve a41, the positioning section 444 penetrates out of the stepped hole 46, an annular groove 443 is formed at one end of the transition section 442 connected with the positioning section 444, a limit step 446 is formed at the end face between the annular groove 443 and the positioning section 444, a flat surface a424 is provided on the positioning section 444, a central hole is formed at the top of the housing 42, a waist-shaped through hole 423 is formed at the bottom of the central hole, a flat surface b445 of the waist-shaped through hole 423 is formed at the waist of the waist-shaped through hole 423, when the housing 42 is mounted, the flat surface b445 on the housing 42 is aligned with the flat surface a424, the housing 42 and the positioning section 444 are inserted opposite to each other, the positioning section 444 is located in the central hole , and the positioning section 444 is inserted into the waist-shaped through hole 42, then the positioning section 444 is rotated, the limit step 446 abuts against the bottom of the central hole, and the central hole 42 cannot be taken out, so that the housing a71 and the housing b72 is separated from the flat surface 72 a, and the housing b is required to be separated, and the flat surface 72 a is required to be separated.

In this embodiment, as shown in fig. 16, a mounting groove 422 is formed at the bottom of the ferrule 42, an elastic ring 43 is installed in the mounting groove 422, after the ferrule 42 is installed, the elastic ring 43 is extruded between the mounting groove 422 and the step hole 46, after the elastic ring 43 is extruded, the elastic ring 43 generates elastic restoring force, and the ferrule 42 always abuts against the bottom of the central hole under the action of the elastic restoring force, so that the stability of connection between the ferrule 42 and the positioning section 444 is ensured.

In this embodiment, as shown in fig. 16, the bottom of the ferrule 42 is further provided with a convex tooth 425, the step surface of the step hole 46 is provided with an arc flap 47 for preventing the ferrule 42 from rotating reversely, after the ferrule 42 is installed, the convex tooth 425 is matched with one arc flap 47, further, the arc flaps 47 are four and uniformly distributed on the same circumference, the convex teeth 425 are two and uniformly distributed on the same circumference, preferably, as shown in fig. 17, the arc flap 47 comprises an arc part 471, a sector 472 and a retaining part 473, the top of the retaining part 473 is a plane, the top of the sector 472 is also a plane, and the level of the plane of the retaining part 473 is higher than the level of the sector 472, One end of the arc part 471 is connected with the stop part 473, the top of the arc part 471 is flush with the top of the stop part 473, the bottom of the arc part 471 is flush with the bottom of the stop part 473, the convex tooth 425 comprises a convex block 427 and an arc convex part 426, the bottom of the convex block 427 is a plane, after the clamp sleeve 42 is installed, the arc convex part 426 is matched with the arc part 471, the bottom of the convex block 427 is attached to the top of the fan-shaped part 472, when the clamp sleeve 42 is installed, when the flat surface a424 and the flat surface b445 are aligned, the positioning section 444 is inserted into the clamp sleeve 42, further, the flat surface a424 is two, And symmetrically arranged on the positioning section 444, the two flat surfaces b445 are arranged, the space between the two flat surfaces b445 is equal to the space between the two flat surfaces a424, therefore, the positioning section 444 can be inserted into the clamping sleeve 42 only after the flat surfaces a424 and the corresponding flat surfaces b445 are aligned between the positioning section 444 and the clamping sleeve 42, when the clamping sleeve 42 and the positioning section 444 move relatively on the shaft, the elastic ring 43 is deformed after contacting with the elastic ring 43, the clamping sleeve 42 is rotated after the limiting step 446 passes over the kidney-shaped through hole 423, the limiting step 446 is attached to the bottom of the central hole, After the convex teeth 425 are matched with the circular arc petals 47, the clamping sleeve 42 is not required to be rotated, the clamping sleeve 42 is loosened, the elastic restoring force of the clamping sleeve 42 on the elastic ring 43 enables the limit step 446 to be always clung to the bottom of the central hole, the locking reliability of the shell a71 and the shell b72 is ensured, after the convex teeth 425 are matched with the circular arc petals 47, the arc convex parts 426 of the convex teeth 425 are matched with the circular arc parts 471, the bottom of the convex blocks 427 are matched with the top of the fan-shaped parts 472, so that the convex blocks 427 cannot reversely rotate to pass the stop parts 473, preferably, the top plane of the stop parts 473 is flush with the top of the step hole 46, When the housing a71 and the housing b72 need to be separated, the ferrule 42 is rotated clockwise, the arc part 471 has a guiding function due to the existence of the arc part 471, so that the arc convex part 426 moves along the arc part 471, and during the moving process, the arc part 471 presses the arc convex part 426, and after the arc convex part 426 is pressed, the ferrule 42 is deformed to a certain extent, so that the arc convex part 426 can slide along the arc part 471, and can also pass over the retaining part 473, and during the rotation of the ferrule 42, after the flat surface a424 is flush with the flat surface b445, The ferrule 42 can be removed and the separation of the housing a71 and the housing b72 can be achieved.

In this embodiment, the locking assembly further includes a screw locking device, the connection end of the housing a71 is in a rectangular structure, the screw locking device is installed on one diagonal line of the housing a71, the screw locking device is disposed on the other diagonal line of the housing a71, further, the screw locking device includes a threaded sleeve b74, a connecting screw 73 and a retaining ring 60, a stepped through hole a75 is formed on one diagonal line of the housing a71, a large hole of the stepped through hole a75 is far away from the housing b72, the threaded sleeve b74 is installed in the large hole of the stepped through hole a75, a stepped through hole b76 is formed on the housing b72, the large hole of the stepped through hole b76 is close to the housing a71, preferably, a flange ear a is disposed on the connection end of the housing a71, and the stepped through hole a75 is formed on the flange ear b.

In this embodiment, the connecting screw 73 penetrates from the stepped through hole b76 and is locked with the threaded sleeve b74, preferably, as shown in fig. 21 and 22, the connecting screw 73 comprises a head 731, a transition rod 732 and a threaded rod 733, one end of the transition rod 732 is connected with the head 731, the other end of the transition rod 732 is connected with the threaded rod 733, the diameter of the threaded rod 733 is larger than that of the transition rod 732, a threaded matching screw hole with the threaded rod 733 is formed in the threaded sleeve b74, preferably, the threaded sleeve b74 is in a stepped column shape and is provided with a limiting step, and when in installation, the small end of the threaded sleeve b74 is installed in a small hole of the stepped through hole a75 and is in tight fit connection, and the limiting step abuts against a step surface in the stepped through hole a 75.

In this embodiment, as shown in fig. 19 and 20, the retaining ring 60 is sleeved on the connecting screw 73, the retaining ring 60 is located in the large hole of the stepped through hole b76, further, as shown in fig. 1 and 2, the retaining ring 60 comprises a ring body 61, a plurality of retaining pieces 62 inclined to the bottom of the ring body 61 are arranged on the inner side wall of the ring body 61, gaps 65 are arranged between the adjacent retaining pieces 62, the inner side walls of the retaining pieces 62 enclose a through hole 63, the gaps 65 extend to the through hole 63, preferably, a skirt 64 is arranged at the bottom of the ring body 61, the bottom of the retaining piece 62 does not protrude out of the skirt 64, the ring body 61 is a circular ring, the retaining piece 62 is in a sector shape on the projection surface of the ring body 61, when the retaining piece 62 is installed, a screw penetrates from the small hole of the stepped through hole b76 and sequentially passes through the retaining ring 60, then is locked with a threaded sleeve b74 in the stepped through hole a75, the inclined direction of the threaded rod 62 faces 733, after the shell a71 and the shell b72 is separated, the threaded sleeve b74 is matched with the shell a 74, and the retaining ring is difficult to be formed in a press molding manner.

In this embodiment, the diameter of the through hole 63 on the retaining ring 60 is smaller than the diameter of the threaded rod 733, and the diameter of the through hole 63 on the retaining ring 60 is larger than or equal to the diameter of the transition rod 732, preferably, the diameter of the through hole 63 on the retaining ring 60 is equal to the diameter of the transition rod 732, so that the retaining ring 60 can clamp the threaded rod 733, and the connecting screw 73 cannot be separated from the housing b72, so that the connecting screw 73 is prevented from falling off, and even in the process of transportation, carrying and disassembly, the connecting screw 73 is not easy to fall off, thereby reducing the loss of consumable materials in the process of maintenance and carrying, and avoiding the connecting screw 73 from falling off, so that the connector is convenient to disassemble and assemble.

In this embodiment, the transition rod 732 is further sleeved with a plurality of gaskets 77, the gaskets 77 are tightly pressed between the head 731 and the casing b72, and the gaskets 77 can adjust the threaded fit length of the threaded rod 733 of the connecting screw 73 and the threaded sleeve b 74.

In this embodiment, as shown in fig. 24, 25 and 26, the housing a71 includes a housing body 711 and a rectangular connecting frame 712, the rectangular connecting frame 712 is connected with the housing body 711, the rectangular connecting frame 712 is located between the housing body 711 and the housing b, further, a connecting plate 713 is provided at the bottom of the rectangular connecting frame 712, a hole is provided on the connecting plate 713, a threaded hole corresponding to the hole is provided on the housing body 711, the housing body 711 is connected with the rectangular connecting frame 712 by a screw, a rib is also provided on the rectangular connecting frame 712, a threaded hole is provided on the rib, a screw located at the mounting table b211 is locked with the threaded hole on the rib, and the left and right sides of the rectangular connecting frame 712 have suspended connecting lugs, a counter bore 45 is provided at two ends of one diagonal of the rectangular connecting frame 712, a stepped through hole b76 is provided at two ends of the other diagonal of the rectangular connecting frame 712, and a sealing ring is provided at the connecting position of the rectangular connecting frame 712 and the housing body 711, so that the waterproof performance of the connector is ensured.

In this embodiment, the left and right sides of the bottom of the housing body 711 are provided with duck foot-shaped mounting ears, the mounting ears are provided with mounting holes, one of the mounting ears is provided with a grounding surface 714, and the grounding surface 714 is provided with a grounding wire mounting hole, so that a grounding point is arranged on the housing body 711, and the installation of the grounding wire is facilitated.

Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.

Claims (7)

1. A connector, characterized in that: comprises a shell a and a shell b, wherein a seat mounting plate is arranged in the shell a, a head mounting plate is arranged in the shell b, a contact element in the head mounting plate is inserted with a contact element in the seat mounting plate, the shell a and the shell b are locked by a locking component, a shielding element is arranged on the left side wall or/and the right side wall of the head mounting plate, a reed is arranged on one side of the seat mounting plate corresponding to the head mounting plate, the reed is in elastic contact with the corresponding shielding element, the head mounting plate and the seat mounting plate are grounded and conducted through the shielding element and the reed, the locking component comprises a screw locking device, the screw locking device comprises a screw and an injection molding clamping sleeve, a stepped hole is formed at the top of the connecting end of the shell b, a countersink is formed at the connecting end of the shell a, a thread sleeve a is arranged in a small hole of the countersink, the screw comprises a thread section, a transition section and a positioning section which are sequentially connected, after the shell a and the shell b are locked by the screw, the thread section is locked with the thread sleeve a, the positioning section penetrates out of the stepped hole, an annular groove is formed at one end of the transition section connected with the positioning section, a limiting step is formed at the end face between the annular groove and the positioning section, a flat surface a is arranged on the positioning section, The top of the cutting sleeve is provided with a central hole, the bottom of the central hole is provided with a waist-shaped through hole, the waist of the waist-shaped through hole is provided with a flat surface b, the positioning section is inserted into the cutting sleeve from the waist-shaped through hole, the cutting sleeve is rotated to enable the limiting step to be propped against the bottom of the central hole, the bottom of the cutting sleeve is provided with a mounting groove, an elastic ring is arranged in the mounting groove, after the cutting sleeve is mounted, the elastic ring is extruded between the mounting groove and the step hole, the bottom of the cutting sleeve is further provided with a convex tooth, the convex tooth comprises a convex block and an arc-shaped convex part, the bottom of the convex block is a plane, the step surface of the step hole is provided with an arc-shaped flap, The circular arc valve comprises a circular arc part, a fan-shaped part and a retaining part, wherein the top of the retaining part is a plane, the top of the fan-shaped part is also a plane, the level of the plane of the retaining part is higher than that of the fan-shaped part, one end of the circular arc part is connected with the retaining part, the top of the circular arc part is flush with the top of the retaining part, the bottom of the circular arc part is flush with the bottom of the retaining part, after the clamp sleeve is installed, the circular arc convex part is matched with the circular arc part, and the bottom of the lug is attached to the top of the fan-shaped part; The locking component also comprises a connecting screw locking device, the connecting end of the shell a is of a rectangular structure, the screw locking device is arranged on one diagonal of the shell a, the connecting screw locking device is arranged on the other diagonal of the shell a, the connecting screw locking device comprises a threaded sleeve b, a connecting screw and a retaining ring, a stepped through hole a is formed on one diagonal of the shell a, a large hole of the stepped through hole a is far away from the shell b, a threaded sleeve b is arranged in the large hole of the stepped through hole a, a stepped through hole b is formed on the shell b, the large hole of the stepped through hole b is close to the shell a, the shell a and the shell b are connected through the connecting screw, the connecting screw penetrates through the stepped through hole b and is locked with the threaded sleeve b, the connecting screw is sleeved with the retaining ring which enables the connecting screw not to fall off, and the retaining ring is located in the large hole of the stepped through hole b.

2. A connector as defined in claim 1, wherein: the mounting plate is provided with a mounting part b, a fixing part b is mounted on the mounting part b, a mounting table b is arranged on one side, close to the mounting part b, of the fixing part b, the mounting table b is mounted on the mounting part b, a cavity is formed in the fixing part b, a back plate is arranged on the side wall, close to one side of the mounting part b, of the cavity, the back plate protrudes out of the cavity, and a hooking groove is formed in the top of the back plate.

3. A connector as claimed in claim 2, wherein: the reed comprises a connecting part and a contact part, wherein the connecting part is connected with the contact part, a strip-shaped hole is formed in the contact part, a spring plate is arranged on the side wall of the connecting part and close to the strip-shaped hole, the spring plate is arranged in a manner of being far away from the seat mounting plate in an inclined mode, a bending part is arranged at the top of the spring plate and is bent towards one side of the seat mounting plate, a hook part is arranged at the top of the contact part and is hooked in the hook groove, the spring plate penetrates through the cavity, the connecting part is arranged on a fixing part b below the cavity through a locking part, and the bending part is in contact with the shielding part.

4. A connector according to claim 3, wherein: the novel spring plate is characterized in that an inclined surface is arranged on the side wall, far away from the mounting table b, of the cavity, a convex hull is arranged on one side, far away from the mounting table b, of the connecting portion, a positioning hole matched with the convex hull is arranged on the side wall of the cavity, a groove is formed in the side wall, close to the reed, of the top of the back plate, and the bending portion is located on one side of the groove.

5. A connector as defined in claim 4, wherein: the shielding device is characterized in that an installation part a is arranged on the head installation plate, a fixing piece a is arranged on the installation part a, an installation groove is formed in the fixing piece a, and the shielding piece is installed in the installation groove through a locking piece.

6. A connector as defined in claim 5, wherein: the shielding pieces are arranged on the left side wall and the right side wall of the head mounting plate, the two shielding pieces are connected through a shielding frame, a plurality of clips are arranged on the shielding frame, and threading gaps are formed between the clips and the shielding frame.

7. A connector as defined in claim 1, wherein: the anti-backup ring comprises a ring body, a plurality of anti-backup sheets inclined towards the bottom of the ring body are arranged on the inner side wall of the ring body, gaps are formed between the adjacent anti-backup sheets, a plurality of through holes are formed in the inner side walls of the anti-backup sheets in a surrounding mode, the gaps extend to the through holes, a skirt edge is arranged at the bottom of the ring body, the bottoms of the anti-backup sheets do not protrude out of the skirt edge, the connecting screw comprises a head, a transition rod and a threaded rod which are sequentially connected, the diameter of the threaded rod is larger than that of the transition rod, the diameter of the through holes on the anti-backup ring is smaller than that of the threaded rod, and the diameter of the through holes on the anti-backup ring is larger than or equal to that of the transition section.